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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 429 · 40 questions
TalentJR

How to work it out (Back to 100%): Write what you know: p% is a. The whole (100%) = a × 100 ÷ p. Check: p% of your answer must give a back.

NameDateTime takenScore ___ / 40
  1. 1.75% of a number is 75. What is the number?
  2. 2.6 is 75% of ?
  3. 3.20% of a number is 19. What is the number?
  4. 4.68 is 40% of ?
  5. 5.Kabir spent ₹16, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  6. 6.Arjun spent ₹24, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  7. 7.Riya spent ₹27, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  8. 8.5% of a number is 12. What is the number?
  9. 9.60% of a number is 159. What is the number?
  10. 10.15 is 12% of ?
  11. 11.54 is 15% of ?
  12. 12.42 is 15% of ?
  13. 13.162 is 50% of ?
  14. 14.21 is 12% of ?
  15. 15.Aarav spent ₹184, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  16. 16.Aarav spent ₹120, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  17. 17.20% of a number is 21. What is the number?
  18. 18.7 is 25% of ?
  19. 19.75% of a number is 195. What is the number?
  20. 20.82 is 40% of ?
  21. 21.183 is 60% of ?
  22. 22.9 is 15% of ?
  23. 23.40% of a number is 138. What is the number?
  24. 24.10% of a number is 23. What is the number?
  25. 25.141 is 75% of ?
  26. 26.71 is 25% of ?
  27. 27.28 is 80% of ?
  28. 28.44 is 40% of ?
  29. 29.163 is 50% of ?
  30. 30.Meera spent ₹105, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  31. 31.Riya spent ₹60, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  32. 32.Aarav spent ₹2, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  33. 33.18 is 60% of ?
  34. 34.30% of a number is 42. What is the number?
  35. 35.75% of a number is 78. What is the number?
  36. 36.Kabir spent ₹75, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  37. 37.53 is 20% of ?
  38. 38.Arjun spent ₹98, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  39. 39.84 is 30% of ?
  40. 40.16 is 20% of ?

Answer key

  1. 100
  2. 8
  3. 95
  4. 170
  5. 80
  6. 120
  7. 90
  8. 240
  9. 265
  10. 125
  11. 360
  12. 280
  13. 324
  14. 175
  15. 230
  16. 400
  17. 105
  18. 28
  19. 260
  20. 205
  21. 305
  22. 60
  23. 345
  24. 230
  25. 188
  26. 284
  27. 35
  28. 110
  29. 326
  30. 350
  31. 100
  32. 40
  33. 30
  34. 140
  35. 104
  36. 375
  37. 265
  38. 245
  39. 280
  40. 80

Free percentage lessons, practice and worksheets at talentjr.in/how-to-calculate-percentage